To change your Advantage subscription use the procedure in this TurboTax support FAQ - https://ttlc.intuit.com/community/choosing-a-product/help/how-do-i-update-or-confirm-the-info-in-my-...
As an Advantage subscriber even if you order a CD you also receive a free desktop installation file in your download account. Just sign onto your download account using your Advantage User ID - https://shopping.turbotax.intuit.com/unified/downloads?route=myaccounts
